A positioning and assembly machine tool for the sprocket box housing of a micro-tillage machine

Abstract

The present invention discloses a positioning and assembling machine tool for a sprocket box housing of a micro-tiller, and relates to the technical field of machine tools, including the machine tool, the machine tool is rotatably connected with a rotating disk, the machine tool is slidably connected with a first positioning block symmetrically distributed along the transverse direction of the machine tool, the machine tool is slidably connected with a second positioning block symmetrically distributed along the longitudinal direction of the machine tool, and the first positioning block and the second positioning block are both limitedly matched with the rotating disk. The present invention realizes automatic positioning of the sprocket box housing and the bearing during assembly through the cooperation of the slider and the limit block, and at the same time, when the assembly positioning of the sprocket box housing and the bearing deviates, the slider automatically disengages from the magnetic block, stops the assembly work of the sprocket box housing and the bearing, protects the sprocket box housing and the bearing, and prevents the sprocket box housing from being deformed and the bearing from being damaged due to excessive bearing assembly force.

Description

Technical Field

[0001] The invention relates to the technical field of machine tools, in particular to a positioning and assembling machine tool for a sprocket box housing of a micro-tiller. Background Art

[0002] The assembly of the sprocket box housing of the micro-tiller is an important and complex process, which is directly related to the transmission efficiency, stability and durability of the machine. Usually these assembly processes are carried out on the sprocket box housing assembly machine of the micro-tiller.

[0003] During the assembly of the sprocket case housing, the sprocket case housing and the bearing need to be placed on a positioning assembly machine, and the position between the sprocket case housing and the bearing needs to be adjusted continuously so that the bearing hole of the sprocket case housing is aligned with the bearing before assembly. This process is not only cumbersome, but also has low positioning accuracy. In addition, when there is a deviation in the assembly of the sprocket case housing and the bearing, the machine tool cannot stop in time. At this time, the pressure applied by the machine tool when assembling the sprocket case housing and the bearing not only makes it impossible for the bearing to be accurately assembled into the bearing hole of the sprocket case housing when under pressure, but also causes the pressure to be directly transmitted to the sprocket case housing, resulting in deformation of the hole of the sprocket case housing or damage to the bearing.

[0004] Therefore, according to the above requirements, a positioning and assembling machine tool for the sprocket box housing of a micro-tillage machine is designed. Summary of the invention

[0005] In order to overcome the shortcomings of the above-mentioned background technology, the technical problem to be solved is: to provide a positioning and assembling machine tool for the sprocket box housing of a micro-tiller.

[0006] A micro-tiller sprocket box housing positioning and assembly machine tool, including the machine tool, the machine tool is fixedly connected to a motor, the output shaft of the motor is fixedly connected to a first screw, the first screw is rotatably connected to the machine tool, the machine tool is slidably connected to a slider on one side of the machine tool close to the first screw, the machine tool is slidably connected to a mounting frame, the mounting frame is fixedly connected to a magnetic block, one side of the slider is magnetically matched with the magnetic block, the mounting frame is slidably connected to a circumferentially distributed limit block, the limit block is set to a rubber material, the machine tool is rotatably connected to a rotating disk, the machine tool is slidably connected to a first positioning block symmetrically distributed along the transverse direction of the machine tool, the machine tool is slidably connected to a second positioning block symmetrically distributed along the longitudinal direction of the machine tool, and the first positioning block and the second positioning block are both limitedly matched with the rotating disk.

[0007] In one of the embodiments, the upper portion of the first positioning block protrudes toward the sprocket box housing to limit the upward movement of the sprocket box housing during assembly.

[0008] In one embodiment, the rotating disk is provided with first guide grooves distributed circumferentially, and when the rotating disk rotates, the first positioning block and the second positioning block are gathered through the first guide grooves.

[0009] In one of the embodiments, a gear rod is further included, wherein the gear rod is fixedly connected to the slider, the rotating disk is fixedly connected to a gear, and the gear rod moves to mesh with the gear.

[0010] In one of the embodiments, it also includes a sliding plate, which is slidably connected to the first positioning block on one side, the first positioning block is fixedly connected to a slide rail, the slide rail is slidably connected to the sliding plate, a first spring is fixedly connected between the sliding plate and the slide rail, the sliding plate is horizontally slidably connected to a limit rod symmetrically distributed along the sliding plate, the machine tool is fixedly connected to a guide rail symmetrically distributed along the longitudinal direction of the machine tool, the sliding plate is slidably connected to the guide rail, a latch tooth is fixedly connected in the guide rail, and the limit rod engages with the adjacent latch tooth.

[0011] In one of the embodiments, the limiting rod is pressed into fit with the slide rail.

[0012] In one of the embodiments, a second spring is further included which is symmetrically distributed along the sliding plate, and two ends of the second spring are respectively fixedly connected to the limiting rod and the sliding plate.

[0013] In one of the embodiments, a guide frame is further included, wherein the guide frame is fixedly connected to the machine tool, the mounting frame is rotatably connected to an I-shaped frame, the I-shaped frame is fixedly connected to limit columns symmetrically distributed along the I-shaped frame, the guide frame is provided with guide grooves corresponding to the limit columns, and the limit columns are limitedly matched with the corresponding guide grooves.

[0014] In one embodiment, the I-shaped frame is provided with second guide grooves distributed circumferentially, and the I-shaped frame is limitedly matched with the limit block through the second guide grooves.

[0015] In one embodiment, a second screw rod corresponding to the second positioning block is further included, the second screw rod is threadedly connected to the corresponding second positioning block, and the second screw rod is rotatably connected to the adjustment block.

[0016] The present invention has the following advantages:

[0017] The present invention realizes automatic positioning of the sprocket box housing and the bearing during assembly through the cooperation of the slider and the limit block. At the same time, when the assembly positioning of the sprocket box housing and the bearing deviates, the slider automatically disengages from the magnetic block, stops the assembly of the sprocket box housing and the bearing, protects the sprocket box housing and the bearing, and prevents the sprocket box housing from being deformed and the bearing from being damaged due to excessive bearing assembly force.

[0018] The present invention achieves, through the cooperation of the limit rod and the slide rail, that the sliding plate limits the left side of the sprocket box housing when the sprocket box housing and the bearing are assembled, thereby improving the force stability of the sprocket box housing and preventing the sprocket box housing from tilting due to the lack of a force point on the upper part of the sprocket box housing during the assembly of the sprocket box housing and the bearing, thereby preventing the sprocket box housing from tilting and causing assembly failure to occur.

[0019] In the present invention, when the mounting frame moves to the left for assembly, the I-shaped frame drives the limit blocks to automatically separate outwards through the second guide groove, thereby realizing automatic adjustment and positioning of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0021] Figure 2 It is a three-dimensional structural cross-sectional view of the present invention.

[0022] Figure 3 It is a three-dimensional structural schematic diagram of the machine tool, motor, first screw and other components of the present invention.

[0023] Figure 4 It is a three-dimensional structural schematic diagram of components such as a rotating disk, a first positioning block and a second positioning block of the present invention.

[0024] Figure 5 It is a three-dimensional structural schematic diagram of components such as the magnetic block, the mounting frame and the limit block of the present invention.

[0025] Figure 6 It is a three-dimensional structural schematic diagram of the motor, the first screw rod, the gear and other components of the present invention.

[0026] Figure 7 It is a schematic diagram of the three-dimensional structure of the sliding plate, the limiting rod, the second spring and other components of the present invention.

[0027] Figure 8 It is a three-dimensional structural schematic diagram of the limit rod, the second spring, the guide rail and other components of the present invention.

[0028] Fig. 9 It is a three-dimensional structural separation diagram of the sliding plate of the present invention.

[0029] Fig.10 It is a three-dimensional structural schematic diagram of the components such as the mounting frame, the guide frame and the I-shaped frame of the present invention.

[0030] Fig.11 It is a schematic diagram of the three-dimensional structure of the guide frame and the guide groove of the present invention.

[0031] Fig.12 It is a three-dimensional structural schematic diagram of the components such as the mounting frame, the limit block and the I-shaped frame of the present invention.

[0032] Fig.13 It is a three-dimensional structural schematic diagram of the second positioning block, the second screw rod, the adjusting block and other components of the present invention.

[0033] In the accompanying drawings: 101, machine tool, 102, motor, 1021, sprocket box housing, 103, first screw, 104, slider, 1041, magnetic block, 105, mounting frame, 106, limit block, 107, rotating disk, 1071, first guide groove, 108, first positioning block, 109, second positioning block, 201, gear rod, 202, gear, 301, sliding plate, 302, slide rail, 3021, first spring, 303, limit rod, 304, second spring, 305, guide rail, 306, latching tooth, 401, guide frame, 402, I-shaped frame, 403, limit column, 404, guide groove, 405, second guide groove, 501, second screw, 502, adjusting block. DETAILED DESCRIPTION

[0034] The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.

[0035] Embodiment 1: A micro-tillage machine sprocket box housing positioning assembly machine tool, such as Figures 1 to 5As shown, it includes a machine tool 101, a motor 102 is fixedly connected to the upper right side of the machine tool 101, the output shaft of the motor 102 is fixedly connected to the first screw 103, the first screw 103 is rotatably connected to the machine tool 101, a slider 104 is slidably connected to the side of the machine tool 101 close to the first screw 103, a mounting frame 105 is slidably connected to the side of the machine tool 101 close to the slider 104, a magnetic block 1041 is fixedly connected to the bottom of the mounting frame 105, one side of the slider 104 is magnetically matched with the magnetic block 1041, during the process of assembling the bearing to the sprocket box housing 1021, if the bearing hole position deviates from the bearing, the slider 104 is separated from the magnetic block 1041 for protection, and the left end of the mounting frame 105 is slidably connected to three circumferentially distributed limit blocks 106, the limit blocks 106 are set to rubber material, the bearing is placed on the left side of the mounting frame 105, and the three limit blocks When 106 slides outward and separates, the bearing can be automatically positioned. A rotating disk 107 is rotatably connected to one side of the machine tool 101 close to the limit block 106. The upper part of the left side of the machine tool 101 is slidably connected to a first positioning block 108 symmetrically distributed along the left and right sides of the machine tool 101. The upper part of the left side of the machine tool 101 is slidably connected to a second positioning block 109 symmetrically distributed along the front and back of the machine tool 101. The upper part of the first positioning block 108 protrudes toward one side of the sprocket box housing 1021 to limit the upward movement of the sprocket box housing 1021 under force during the assembly process. The rotating disk 107 is provided with a circumferentially distributed first guide groove 1071. The first positioning block 108 and the second positioning block 109 are both limitedly matched with the corresponding first guide groove 1071. When the rotating disk 107 rotates, the first positioning block 108 and the second positioning block 109 are gathered through the first guide groove 1071, thereby positioning the sprocket box housing 1021.

[0036] like Figure 6 As shown, it also includes a gear rod 201 , which is fixedly connected to the slider 104 , and the rotating disk 107 is fixedly connected to a gear 202 , and the gear rod 201 moves to engage with the gear 202 .

[0037] First, the sprocket box housing 1021 to be assembled is placed between the first positioning block 108 and the second positioning block 109 on the machine tool 101. Then, the inner ring of the bearing to be assembled is sleeved on the limit block 106, and the limit block 106 is pushed outward by hand so that the limit block 106 opens the bearing and performs calibration and positioning, thus completing the preparation work for assembling the sprocket box housing 1021.

[0038] After that, the motor 102 is started, and the motor 102 drives the first screw rod 103 to rotate forward, thereby driving the slider 104 to move to the left side, and the slider 104 drives the magnetic block 1041, the mounting frame 105, the limit block 106 and the gear rod 201 to move to the left side, and the limit block 106 drives the bearing to move to the left side. During the process of the gear rod 201 moving to the left side, it meshes with the gear 202, thereby pushing the rotating disk 107 to rotate, and the rotating disk 107 drives the first guide groove 1071 to rotate, thereby pushing the first positioning block 108 and the second positioning block 109 to move closer to the center, and the base of the sprocket box housing 1021 is limited and locked by the protruding part of the first positioning block 108, and the calibration and positioning of the sprocket box housing 1021 is completed. At the same time, during the process of the limit block 106 driving the bearing to move to the left side, the bearing is pressed into the bearing hole of the positioned sprocket box housing 1021, and the assembly work of the sprocket box housing 1021 is completed;

[0039] During the process of assembling the bearing to the sprocket box housing 1021, if the bearing hole deviates from the bearing, the bearing will not be able to be installed in the sprocket box housing 1021, so that the mounting frame 105 cannot continue to move to the left, and the motor 102 continues to run to drive the first screw 103 to rotate, so that the slider 104 continues to move to the left. At this time, the slider 104 is separated from the magnetic block 1041, and no longer drives the magnetic block 1041 and the mounting frame 105 to move to the left, so that the mounting frame 105 no longer pushes the limit block 106 and the bearing to move, and the assembly work is suspended;

[0040] After the positions of the sprocket box housing 1021 and the bearing are readjusted, the motor 102 is started to rotate in reverse, and the motor 102 drives the first screw 103 to rotate in reverse, so that the slider 104 moves to the right, so that the slider 104 is adsorbed with the magnetic block 1041 again. After the slider 104 and the magnetic block 1041 are adsorbed, the motor 102 is controlled to rotate forward, and the motor 102 drives the first screw 103 to rotate forward, and the first screw 103 drives the slider 104 to move to the right, thereby driving the magnetic block 1041 and the mounting frame 105 to continue to move to the right, and the assembly work of the bearing and the sprocket box housing 1021 is completed;

[0041] After the assembly of the bearing and the sprocket box housing 1021 is completed, the motor 102 is started to reverse and reset, and the motor 102 drives the first screw rod 103 to reverse, and the first screw rod 103 drives the slider 104 to move to the right and reset, and the slider 104 thereby pushes the magnetic block 1041, the mounting frame 105, the gear rod 201 and the limit block 106 and other components to move to the right and reset. When the gear rod 201 moves to the right, the gear rod 201 contacts the gear 202 again, and the gear 202 drives the rotating disk 107 and the first guide groove 1071 to rotate clockwise, and the first guide groove 1071 pushes the first positioning block 108 and the second positioning block 109 to move outward for reset, and the assembled sprocket box housing 1021 can be taken away;

[0042] In summary, through the cooperation of the slider 104 and the limit block 106, the automatic positioning of the sprocket box housing 1021 and the bearing during assembly is achieved. At the same time, when the assembly positioning of the sprocket box housing 1021 and the bearing deviates, the slider 104 automatically disengages from the magnetic block 1041, and the assembly work of the sprocket box housing 1021 and the bearing is stopped, thereby protecting the sprocket box housing 1021 and the bearing to prevent deformation of the sprocket box housing 1021 and damage to the bearing due to excessive bearing assembly force.

[0043] Embodiment 2: Based on embodiment 1, Figures 7 to 9 As shown, it also includes a sliding plate 301, which is slidably connected to the first positioning block 108 on the left side, and the first positioning block 108 is fixedly connected with a slide rail 302, the slide rail 302 is slidably connected to the sliding plate 301, and a first spring 3021 is fixedly connected between the sliding plate 301 and the slide rail 302, the sliding plate 301 is horizontally slidably connected with a limit rod 303 symmetrically distributed along the front and back of the sliding plate 301, the end surface of the limit rod 303 close to the slide rail 302 is extruded and matched with the slide rail 302, and a second spring 304 is fixedly connected between the limit rod 303 and the sliding plate 301, and a guide rail 305 symmetrically distributed along the front and back of the machine tool 101 is fixedly connected to the left side of the top of the machine tool 101, the sliding plate 301 is slidably connected to the guide rail 305, and a latch tooth 306 is fixedly connected in the guide rail 305, and the limit rod 303 is engaged with the adjacent latch tooth 306.

[0044] In order to enhance the stability of the bearing during assembly to the sprocket case housing 1021, the specific operation is as follows:

[0045] When the first positioning block 108 is pushing the sprocket box housing 1021, the first positioning block 108 located on the left side of the machine tool 101 drives the slide rail 302 to move toward the middle of the right side, and the slide rail 302 drives the first spring 3021 to approach the right side, and the first spring 3021 pushes the sliding plate 301, the limit rod 303 and the second spring 304 to move to the right side. During this process, the sliding plate 301 first contacts the sprocket box housing 1021, and the sliding plate 301 is blocked and no longer moves to the right side, while the first positioning block 108 and the slide rail 302 on the left side continue to move toward the middle of the right side. A spring 3021 is compressed and deformed under force. As the slide rail 302 moves to the right, the slide rail 302 squeezes the limit rods 303 on the front and rear sides of the sliding plate 301 to move forward and backward respectively. The second spring 304 is gradually deformed under force, so that the limit rod 303 is stuck in the latch tooth 306. At this time, the first positioning block 108 also just completes the positioning of the sprocket box housing 1021. In this way, during the assembly of the bearing with the sprocket box housing 1021, when the sprocket box housing 1021 is pushed by the bearing, the sprocket box housing 1021 abuts against the sliding plate 301, making the load more stable.

[0046] After the assembly of the bearing and the sprocket box housing 1021 is completed, as the first positioning block 108 on the left side moves to the left and resets, the first spring 3021 resets, thereby driving the slide rail 302 to move to the left and reset, so that the slide rail 302 is out of contact with the limit rod 303, and the second spring 304 is reset, thereby pulling the limit rods 303 on the front and rear sides of the front sliding plate 301 to move inward, gradually disengaging from the latch teeth 306, unlocking it, and then the first spring 3021 pulls the sliding plate 301, the limit rod 303, the second spring 304 and other components to move to the left to complete the reset;

[0047] In summary, through the cooperation of the limit rod 303 and the slide rail 302, the sliding plate 301 limits the left side of the sprocket box housing 1021 when the sprocket box housing 1021 and the bearing are assembled, thereby improving the force stability of the sprocket box housing 1021 and preventing the sprocket box housing 1021 from tilting during the assembly of the sprocket box housing 1021 and the bearing, resulting in assembly failure.

[0048] Embodiment 3: Based on embodiment 2, Figure 1 , Figures 10 to 12 As shown, it also includes a guide frame 401, which is fixedly connected to the machine tool 101, and the mounting frame 105 is rotatably connected to the I-shaped frame 402, and the I-shaped frame 402 is fixedly connected to the limiting columns 403 symmetrically distributed along the front and rear of the I-shaped frame 402, and the guide frame 401 is provided with guide grooves 404 corresponding to the limiting columns 403, and the limiting columns 403 are limitedly matched with the corresponding guide grooves 404, and the I-shaped frame 402 is provided with three circumferentially distributed second guide grooves 405 on one side close to the limiting block 106, and the I-shaped frame 402 is limitedly matched with the limiting block 106 through the second guide grooves 405. The I-shaped frame 402 is slightly rotated so that the three limiting blocks 106 are automatically separated outward, thereby automatically positioning the bearing.

[0049] During the process of the installation frame 105 moving to the left for assembly, the installation frame 105 drives the I-shaped frame 402 to move to the left, thereby driving the limiting column 403 to move to the left. Under the action of the guide groove 404, the limiting column 403 drives the I-shaped frame 402 to rotate slightly. At this time, the I-shaped frame 402 drives the limiting block 106 to automatically separate outwards through the second guide groove 405, thereby realizing the automatic adjustment and positioning of the bearing;

[0050] When the mounting frame 105 moves to the right, the mounting frame 105 drives the I-shaped frame 402 to move to the right, thereby driving the limiting column 403 to move to the right. Under the action of the guide groove 404, the limiting column 403 drives the I-shaped frame 402 to reverse and reset. At this time, the I-shaped frame 402 drives the limiting block 106 to automatically slide inward and reset through the second guide groove 405.

[0051] like Fig.13 As shown, it also includes a second screw rod 501 corresponding to the second positioning block 109. The second screw rod 501 is threadedly connected to the corresponding second positioning block 109. The second screw rod 501 is rotatably connected to the adjustment block 502. In order to further accurately position, the second screw rod 501 is adjusted so that the adjustment block 502 can fine-tune the positioning of the sprocket box housing 1021.

[0052] The technical principles of the embodiments of the present invention are described above in conjunction with specific embodiments. These descriptions are only for explaining the principles of the embodiments of the present invention and cannot be interpreted in any way as limiting the protection scope of the embodiments of the present invention. Based on the explanations herein, those skilled in the art can think of other specific implementation methods of the embodiments of the present invention without creative work, and these methods will fall within the protection scope of the embodiments of the present invention.

Claims

1. A machine tool for positioning and assembling a sprocket box housing of a micro-tiller, comprising a machine tool (101), wherein the machine tool (101) is fixedly connected to a motor (102), wherein an output shaft of the motor (102) is fixedly connected to a first screw rod (103), and the first screw rod (103) is rotatably connected to the machine tool (101), wherein: It also comprises a slider (104), the slider (104) being slidably connected to a side of the machine tool (101) close to the first screw rod (103), the machine tool (101) being slidably connected to a mounting frame (105), the mounting frame (105) being fixedly connected to a magnetic block (1041), one side of the slider (104) being magnetically matched with the magnetic block (1041), the mounting frame (105) being slidably connected to circumferentially distributed limiting blocks (106), the limiting blocks (106) being made of rubber material, the machine tool (101) being rotatably connected to a rotating disk (107), the machine tool (101) being slidably connected to a first positioning block (108) being symmetrically distributed along the transverse direction of the machine tool (101), the machine tool (101) being slidably connected to a second positioning block (109) being symmetrically distributed along the longitudinal direction of the machine tool (101), the first positioning block (108) and the second positioning block (109) both being limitedly matched with the rotating disk (107); The upper portion of the first positioning block (108) protrudes toward the sprocket box housing (1021) and is used to limit the upward movement of the sprocket box housing (1021) during assembly; The rotating disk (107) is provided with first guide grooves (1071) distributed in a circumferential direction, and when the rotating disk (107) rotates, the first positioning block (108) and the second positioning block (109) are gathered together through the first guide grooves (1071); It also includes a gear rod (201), the gear rod (201) is fixedly connected to the slider (104), the rotating disk (107) is fixedly connected to a gear (202), and the gear rod (201) moves to mesh with the gear (202); It also includes a sliding plate (301), the sliding plate (301) is slidably connected to the first positioning block (108) on one side, the first positioning block (108) is fixedly connected to a sliding rail (302), the sliding rail (302) is slidably connected to the sliding plate (301), a first spring (3021) is fixedly connected between the sliding plate (301) and the sliding rail (302), the sliding plate (301) is horizontally slidably connected to limit rods (303) symmetrically distributed along the sliding plate (301), the machine tool (101) is fixedly connected to a guide rail (305) symmetrically distributed along the longitudinal direction of the machine tool (101), the sliding plate (301) is slidably connected to the guide rail (305), a latching tooth (306) is fixedly connected inside the guide rail (305), and the limit rod (303) is engaged with an adjacent latching tooth (306); The invention also comprises a guide frame (401), wherein the guide frame (401) is fixedly connected to the machine tool (101), the mounting frame (105) is rotatably connected to a work-shaped frame (402), the work-shaped frame (402) is fixedly connected to limit posts (403) symmetrically distributed along the work-shaped frame (402), the guide frame (401) is provided with guide grooves (404) corresponding to the limit posts (403), and the limit posts (403) are limitedly matched with the corresponding guide grooves (404).

2. The micro-tillage machine sprocket box housing positioning and assembly machine tool according to claim 1 is characterized in that: The limiting rod (303) is pressed and matched with the slide rail (302).

3. A micro-tillage machine sprocket box housing positioning and assembly machine tool according to claim 2, characterized in that: It also includes a second spring (304) symmetrically distributed along the sliding plate (301), and two ends of the second spring (304) are respectively fixedly connected to the limiting rod (303) and the sliding plate (301).

4. The micro-tillage machine sprocket box housing positioning and assembly machine tool according to claim 3 is characterized by: The I-shaped frame (402) is provided with second guide grooves (405) distributed in a circumferential direction, and the I-shaped frame (402) is limitedly matched with the limit block (106) through the second guide grooves (405).

5. The micro-tillage machine sprocket box housing positioning and assembly machine tool according to claim 4, characterized in that: It also includes a second screw rod (501) corresponding to the second positioning block (109), the second screw rod (501) being threadedly connected to the corresponding second positioning block (109), and the second screw rod (501) being rotatably connected to the adjustment block (502).

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